The "Radio and Television" subcategories, with a large collection of vintage print advertisements dating from the '20s to the '50s. Each image is scanned in color, at 72 and 150 dpi resolutions, and they give information about the source publication.

Link to the world of antique radio collecting, its activities, and the publication and products of Antique Radio Classified. Covers old radio, TV, telegraph, amateur/ham radio, high fidelity/hi-fi audio.

Web sites about collecting, buying, selling, and trading vintage and antique radios.

A site for collectors and restorers of vintage and collectible radios. On-line forums, resources, and chat, supported by a dedicated and experienced membership.

The history and theory of crystal receivers. Vintage and modern kits, pictures, and links.

Base diagrams, characteristics, and outlines for thousands of vacuum tubes, provided by Bill Beech's Ham Radio Server.

Large free online resource for antique and vintage radios, with over fifty thousand pages of scanned Riders schematics, service manuals, tube cross reference, articles, and forums.

Features a brief profile of the company formerly located in Sandusky, Ohio. Includes photos of the plant site and a few models from the production line.

An article by James D. Keeline about the series of juvenile novels written by several ghostwriters under the pen name of "Allen Chapman" and others in the 1920s. Includes images of original covers.

Austrian radio history, with a profile of Eng. Franz Zehetner (1907-1986) and his radio and television products, with photographs and advertising copy. [Mostly German, but with some English text]